{ INFORMATICS.MCCME.RU
  Problem statement: http://informatics.mccme.ru/moodle/mod/statements/view3.php?chapterid=342
  Verdict: Accepted
}
uses SysUtils, Math;
 
var
	i:longint;
	ans,a:int64;
 
begin
reset(input,'input.txt');
rewrite(output,'output.txt');
ans:=0;
for i:=1 to 100 do begin
	read(a);
	inc(ans,a);
end;
write(ans);
end.